Printing press cleaning compositions

Details Printing press cleaning compositions Printing press cleaning compositions

C - Chemistry, Metallurgy

11

D

C11D 3/44 (2006.01) B01F 3/08 (2006.01) B08B 3/08 (2006.01) B08B 9/023 (2006.01) C11D 3/37 (2006.01) C11D 17/00 (2006.01)

Patent

CA 2687271

Disclose herein is a composition comprising a hydrocarbon solvent; an aromatic solvent; a methylated siloxane; and a surfactant. Also disclosed is a method of preparing an emulsion for cleaning purposes comprising mixing a solution at a rate of greater than 500 rpm for at least two hours, wherein the solution comprises a hydrocarbon solvent, an aromatic solvent, a methylated siloxane, and a surfactant. In addition, disclosed herein is a method of cleaning rollers, plates, or blankets of a printing machine with a cleaning mixture, the method comprising contacting the rollers or blankets with the cleaning mixture, wherein the cleaning mixture comprises a hydrocarbon solvent, an aromatic solvent, a methylated siloxane, and a surfactant.

L'invention concerne une composition comprenant un solvant hydrocarbure ; un solvant aromatique ; un siloxane méthylé ; et un agent tensioactif. Un procédé de préparation d'une émulsion pour le nettoyage comprenant le mélange d'une solution à une vitesse supérieure à 500 tpm pendant au moins deux heures, la solution comprenant un solvant hydrocarbure, un solvant aromatique, un siloxane méthylé et un agent tensioactif est également décrit. De plus, un procédé de nettoyage de rouleaux, de plaques, ou de blanchets d'une machine d'imprimerie avec un mélange de nettoyage est décrit, dans lequel les rouleaux ou les blanchets sont mis en contact avec le mélange de nettoyage, le mélange de nettoyage comprenant un solvant hydrocarbure, un solvant aromatique, un siloxane méthylé et un agent tensioactif.

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